Is there a grape variety I’m entirely ignorant of?
I'm unclear why such a simple question appeared to offend at least one person.
I've visited a number of European winegrower family farms and they frequently also grow table grapes for their own consumption. The table grapes they eat are much much less sweet than vinifera grapes where the yeast consume all the sugar into alcohol and which are basically too sweet to enjoy.
Seedless grapes existed in the Mediterranean centuries ago. The now-popular Thompson seedless was brought from the Ottoman empire in 1872.
Similar story with bananas and the parthenocarpy mutation. Then you layer selective breeding on top of that to create complete sterility due to triploidy.
Others like the babaco papaya are just simple sterile interspecific hybrids.
So nature actually does make seedless fruit by accident quite often. It's just that you need humans to come along and clonally propagate them.
Nope, that's just what some grapes taste like. There's a Korean variety, and Concord at least. Wiki says it's this: https://en.wikipedia.org/wiki/Vitis_labrusca
They taste just like Welch's.
There are some fruit drinks which contain whole fruit, like green grapes. It's sort of on the spectrum if you imagine canned grapes, which come in a "light syrup" but the beverage is a thinned-out version of that, not tart or sugary like American grape juice.
But you pour the can out, and a couple of fresh grapes come out as well. I suppose they are peeled. I was a little disappointed when the pear juice didn't include sliced pears. But there are many more fruits to try!